国家/地区 中国（2）
IPC部 B（2）
IPC大类 B29（2）
IPC小类 B29D（2）
IPC B29D007/01（2）
发明人
公开年 2022（2）
申请年 2022（2）
专利权人

Preparing medical packaging film with high barrier property comprises e.g. adding acetic anhydride and modified titanium dioxide-graphene oxide composite, preparing modified titanium dioxide-carboxymethyl cellulose composite, and preparing polyhydroxyl butyric acid valeric acid copolyester film.

ZHOU S, YUAN X, ZHANG C

Polyolefin heat-shrinkable film high performance film comprises e.g. intermediate layer and surface layer located on both sides of intermediate layer, graphene oxide, linear low density polyethylene resin, spherical alumina and polypropylene resin.

LIU L, LIU Y